Ng shared a series of wedding photos on her Weibo account on Monday, with the caption: “Writing your name into my story.”
According to Sinchew, Ng and Sze’s wedding, held on Saturday, featured a classic romantic theme and was attended by family and a select group of friends.
Sinchew noted that the castle, the site of the wedding, has a long history. It offers regular rooms at HK$6,500 (US$835) per night and suites at HK$18,000 per night.
The event concluded with a dramatic fireworks display as the newlyweds shared a kiss.
Ng, 31, is both a model and actress who entered the entertainment industry in 2010 and debuted on screen in 2011.
Sze, 35, serves as the vice president of a digital payment platform and is an alumnus of George Washington University in the U.S.
His family, including a grandfather and father who are prominent businessmen, has a reported net worth of HKD10 billion (US$1.28 billion), according to Chinese media.